:root {
  /* Arctic Frost (theme-factory preset 6)
     Ice Blue #d4e4f7 · Steel Blue #4a6fa5 · Silver #c0c0c0 · Crisp White #fafafa */
  --ice: #d4e4f7;
  --ice-soft: #eaf2fc;
  --steel: #4a6fa5;
  --steel-deep: #3d5a86;
  --silver: #c0c0c0;
  --crisp: #fafafa;

  --bg: #f4f8fd;
  --panel: #ffffff;
  --ink: #1e2836;
  --muted: #6b7688;
  --line: #d4e4f7;
  --brand: #3d5a86;
  --brand-2: #4a6fa5;
  --danger: #c0392b;
  --ok: #2f7d63;
  --warn: #a8761b;
  --radius: 10px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.6 "Inter", "Segoe UI", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, sans-serif;
}
h1, h2, h3, h4 { letter-spacing: -.01em; }
a { color: var(--brand-2); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, .btn:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--steel); outline-offset: 2px;
}
.topbar a:focus-visible { outline-color: #fff; }
code { background: var(--ice-soft); padding: 1px 5px; border-radius: 4px; font-size: 12.5px; color: var(--steel-deep); }

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  color: #fff; padding: 12px 22px; box-shadow: 0 2px 12px rgba(74,111,165,.26);
}
.brand a { color: #fff; font-size: 19px; font-weight: 700; letter-spacing: .3px; }
.brand a span { font-weight: 400; opacity: .8; font-size: 14px; }
.nav { display: flex; gap: 6px; }
.navlink { color: #eaf2fb; padding: 7px 14px; border-radius: 8px; font-size: 14px; }
.navlink:hover { background: rgba(255,255,255,.16); text-decoration: none; }
.navlink.active { background: rgba(255,255,255,.26); font-weight: 600; }

.container { max-width: 1080px; margin: 26px auto 60px; padding: 0 22px; }
.foot { max-width: 1080px; margin: 0 auto 40px; padding: 0 22px; color: var(--muted); font-size: 12.5px; }
.foot p { margin: 0 0 5px; }
.foot .foottag { color: var(--steel-deep); }
.foot .footline { margin-bottom: 0; }

.crumbs { margin: 0 0 14px; font-size: 14px; }
.meta { color: var(--muted); font-size: 13px; margin: 4px 0 16px; }
.gtext { white-space: pre-wrap; }

.pagehead { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 16px; flex-wrap: wrap; }
.pagehead h1 { font-size: 23px; margin: 0; }
.count { color: var(--muted); font-size: 13px; }
.actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.actions form { margin: 0; }

.btn {
  display: inline-block; padding: 8px 14px; border-radius: 8px; border: 1px solid var(--line);
  background: #fff; color: var(--ink); cursor: pointer; font-size: 13.5px; font-family: inherit;
}
.btn:hover { border-color: var(--steel); text-decoration: none; }
.btn.primary { background: var(--brand-2); border-color: var(--brand-2); color: #fff; }
.btn.primary:hover { background: var(--brand); }
.btn.danger { color: var(--danger); border-color: #f0d3cf; background: #fff7f6; }
.btn.danger:hover { background: #fbe4e1; }
.btn.ghost { background: transparent; }
.btn.small { padding: 5px 10px; font-size: 12.5px; }

.searchbar { display: flex; gap: 8px; margin-bottom: 16px; }
.searchbar input[type=search] {
  flex: 1; padding: 10px 14px; border: 1px solid var(--line); border-radius: 8px; font-size: 14px; font-family: inherit;
}

table.list { width: 100%; border-collapse: collapse; background: var(--panel); border-radius: var(--radius); overflow: hidden; box-shadow: 0 1px 3px rgba(28,37,54,.06); }
table.list th { text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: .4px; color: var(--muted); padding: 11px 14px; border-bottom: 1px solid var(--silver); background: var(--ice-soft); }
table.list td { padding: 12px 14px; border-bottom: 1px solid var(--line); vertical-align: middle; }
table.list tr:last-child td { border-bottom: none; }
table.list tr:hover td { background: #f7fafe; }
.nowrap { white-space: nowrap; }
.empty { text-align: center; color: var(--muted); padding: 28px !important; }
.cell-thumb { width: 78px; }
.thumb { width: 68px; height: 50px; object-fit: cover; border-radius: 6px; background: var(--ice-soft); display: block; }
.thumb.empty { background: repeating-linear-gradient(45deg, var(--ice-soft), var(--ice-soft) 6px, var(--ice) 6px, var(--ice) 12px); }
.ttl { font-size: 15px; font-weight: 600; }
.ttl a { color: var(--ink); }
.sub { color: var(--muted); font-size: 13px; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 6px; }
.chips.big { margin: 0 0 14px; }
.badge { display: inline-block; font-size: 11.5px; padding: 3px 9px; border-radius: 999px; background: var(--ice-soft); color: var(--brand); border: 1px solid var(--ice); }
.badge.muted { background: #eef1f5; color: var(--muted); border-color: #e2e7ee; }
.badge.topic { background: #f8f1e3; color: var(--warn); border-color: #ecdfc4; }
.badge.geo { background: #e9f2ee; color: var(--ok); border-color: #d1e5da; }
.badge.ok { background: #e9f2ee; color: var(--ok); border-color: #d1e5da; }
.badge.warn { background: #f8f1e3; color: var(--warn); border-color: #ecdfc4; }

.meta { display: flex; gap: 20px; flex-wrap: wrap; background: var(--panel); padding: 12px 16px; border-radius: var(--radius); border: 1px solid var(--line); margin-bottom: 16px; font-size: 13px; color: var(--muted); }
.meta b { color: var(--ink); }

.card { background: var(--panel); padding: 16px 18px; border-radius: var(--radius); border: 1px solid var(--line); margin-bottom: 16px; }
.card h3 { margin: 0 0 12px; font-size: 15px; padding-bottom: 8px; border-bottom: 1px solid var(--line); }
.langblock { }
.langblock h3 { display: inline-block; background: var(--ice-soft); color: var(--brand); padding: 4px 12px; border-radius: 6px; border: none; font-size: 13px; }
.field { display: grid; grid-template-columns: 130px 1fr; gap: 10px; padding: 7px 0; align-items: start; }
.field > span:first-child { color: var(--muted); font-size: 13px; padding-top: 2px; }
.body { white-space: normal; }
.imgs { display: flex; gap: 10px; flex-wrap: wrap; }
.media { width: 150px; height: 108px; object-fit: cover; border-radius: 8px; border: 1px solid var(--line); }
ul { margin: 0; padding-left: 18px; }

.editform .grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 18px; }
.editform .field { grid-template-columns: 120px 1fr; }
.editform input, .editform select, .editform textarea {
  width: 100%; padding: 8px 10px; border: 1px solid var(--line); border-radius: 7px;
  font-size: 13.5px; font-family: inherit; color: var(--ink); background: #fff;
}
.editform input:focus, .editform textarea:focus, .editform select:focus { outline: none; border-color: var(--steel); box-shadow: 0 0 0 3px rgba(74,111,165,.16); }
.editform textarea { resize: vertical; line-height: 1.55; }
.formactions { display: flex; gap: 10px; position: sticky; bottom: 0; background: linear-gradient(180deg, rgba(244,248,253,0), var(--bg)); padding: 16px 0; }

.badge.danger { background: #fdecea; color: var(--danger); border-color: #f5cfc9; }

/* --- RAG ask page --- */
.askbox .idxline { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; font-size: 12.5px; }
.askrow { display: flex; gap: 10px; align-items: flex-start; }
.askrow textarea {
  flex: 1; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px;
  font: inherit; font-size: 14px; resize: vertical;
}
.askrow textarea:focus { outline: none; border-color: var(--steel); box-shadow: 0 0 0 3px rgba(74,111,165,.16); }
.askrow .btn { padding: 10px 20px; }
.hint { color: var(--muted); font-size: 12.5px; margin-top: 10px; }
.examples { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.ex { cursor: pointer; font-size: 12.5px; padding: 5px 11px; border-radius: 999px; background: var(--ice-soft); color: var(--brand); border: 1px solid var(--ice); }
.ex:hover { background: var(--ice); }
.sources { margin-bottom: 16px; }
.sources:empty { display: none; }
.srchead { font-size: 13px; color: var(--muted); font-weight: 600; margin-bottom: 8px; }
.srcgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 12px; }
.srccard { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; position: relative; }
.srccard:target { border-color: var(--steel); box-shadow: 0 0 0 3px rgba(74,111,165,.18); }
.srcn { position: absolute; top: 10px; right: 12px; font-size: 12px; font-weight: 700; color: var(--brand); }
.srcttl { font-weight: 600; padding-right: 30px; }
.srcttl a { color: var(--ink); }
.srcmeta { color: var(--muted); font-size: 12px; margin: 5px 0; }
.srcsnip { font-size: 13px; color: #3b4a61; }
.srclinks { margin-top: 8px; font-size: 12.5px; }
.answer { font-size: 14.5px; line-height: 1.75; }
.answer strong { color: var(--ink); }
.answer code { background: #eef2f7; padding: 1px 5px; border-radius: 4px; font-size: 13px; }
sup.cite a { font-size: 11px; font-weight: 700; padding: 0 2px; }

/* --- machine translation --- */
.trbar { display: flex; align-items: flex-end; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.trlang { display: flex; flex-direction: column; gap: 5px; }
.trlang > span { font-size: 12px; color: var(--muted); }
.trlang select { padding: 8px 10px; border: 1px solid var(--line); border-radius: 7px; font-size: 13.5px; font-family: inherit; min-width: 190px; }
#swap { padding: 8px 12px; font-size: 16px; }
.trgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.trpane textarea { width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 8px; font: inherit; font-size: 14px; line-height: 1.6; resize: vertical; }
.trpane textarea:focus { outline: none; border-color: var(--steel); box-shadow: 0 0 0 3px rgba(74,111,165,.16); }
.trout { min-height: 220px; background: #fafcff; border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; font-size: 14px; line-height: 1.7; white-space: normal; }
#trbtn { margin-left: auto; padding: 9px 22px; }
@media (max-width: 720px) { .trgrid { grid-template-columns: 1fr; } }

/* --- phones --- */
@media (max-width: 640px) {
  .topbar { flex-wrap: wrap; align-items: center; gap: 8px 10px; padding: 10px 14px; }
  .nav { width: 100%; overflow-x: auto; padding-bottom: 2px; }
  .navlink { white-space: nowrap; }
  .container, .foot { padding: 0 14px; }
  .pagehead { flex-direction: column; align-items: flex-start; gap: 8px; }
  .field, .editform .field { grid-template-columns: 1fr; gap: 2px; }
  .editform .grid2 { grid-template-columns: 1fr; }
  .meta { gap: 8px 18px; }
  .searchbar { flex-wrap: wrap; }
  .searchbar input[type=search] { min-width: 0; }
  table.list { display: block; overflow-x: auto; }
  .trlang { flex: 1 1 100%; }
  .trlang select { min-width: 0; width: 100%; }
}